STOCK-BASED COMPENSATION - Restricted Stock Units, Performance Stock Units and Stock Options Narrative (Details) - USD ($) $ in Thousands	3 Months Ended
Apr. 30, 2025	Apr. 30, 2024
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share-based payment arrangement, expense	$ 68,655	$ 58,553
Restricted Stock Units (RSUs)
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Cost not yet recognized amount	$ 683,500
Cost not yet recognized, period for recognition	3 years 1 month 6 days
Performance Shares
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Cost not yet recognized amount	$ 9,100
Cost not yet recognized, period for recognition	1 year
Share-based payment arrangement, expense	$ 1,200
Performance Shares \| Minimum
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Vesting percentage	0.00%
Award vesting period	1 year
Performance Shares \| Maximum
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Vesting percentage	225.00%
Award vesting period	4 years
Share-based Payment Arrangement, Option
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Cost not yet recognized, period for recognition	1 year 2 months 12 days
Cost not yet recognized, options, amount	$ 17,400

Amount of expense for award under share-based payment arrangement. Excludes amount capitalized.

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